Mathematics · Statistics & Normal Distribution
एक प्रसामान्य बंटन (Normal distribution) में, लगभग कितने प्रतिशत परीक्षण प्राप्तांक माध्य से 1 मानक विचलन नीचे और 1 मानक विचलन ऊपर के बीच आते हैं?
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